40201487 has 2 divisors, whose sum is σ = 40201488. Its totient is φ = 40201486.

The previous prime is 40201471. The next prime is 40201523. The reversal of 40201487 is 78410204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40201487 - 2⁴ = 40201471 is a prime.

It is a super-3 number, since 3×40201487³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40201457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100743 + 20100744.

It is an arithmetic number, because the mean of its divisors is an integer number (20100744).

Almost surely, 2^40201487 is an apocalyptic number.

40201487 is a deficient number, since it is larger than the sum of its proper divisors (1).

40201487 is an equidigital number, since it uses as much as digits as its factorization.

40201487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40201487 is about 6340.4642574499. The cubic root of 40201487 is about 342.5684577316.

The spelling of 40201487 in words is "forty million, two hundred one thousand, four hundred eighty-seven".